Grand Voyager V6-3.3L VIN G Flex Fuel (1999)
POSSIBLE CAUSES
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Passenger door switch MUX shorted to battery
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Door lock switch resistance high in unlock position
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Driver door switch MUX circuit shorted to battery
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Liftgate switch MUX shorted to battery
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BCM door lock relay control circuit inoperative
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Liftgate switch MUX at BCM defective
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Door lock relay control ground circuit open
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Door lock relay defective
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Fuse # 26 defective
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Fused B(+) circuit open
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Fused B(+) circuit shorted to ground
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Ground circuit open at door lock relay connector
Additional All Doors Fail to Lock and Unlock From One Switch
SYMPTOM
ADDITIONAL ALL DOORS FAIL TO LOCK AND UNLOCK FROM ONE SWITCH
POSSIBLE CAUSES
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Door key cylinder switch connector circuit ground circuit open
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Door key cylinder switch defective
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Liftgate key cylinder switch defective
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Liftgate switch MUX shorted to battery
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Door switch MUX circuit to BCM open
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Driver door switch MUX circuit open at BCM connector
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Liftgate switch MUX circuit open at BCM connector
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Liftgate switch MUX circuit to BCM open
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Passenger door switch MUX circuit open at BCM connector
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Passenger door switch MUX circuit to BCM open
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Door lock switch connector ground circuit open
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Door lock switch defective
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Door lock switch MUX circuit open
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Door locks inoperative from key cylinder switch
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Door switch MUX circuit shorted to battery
Additional All Doors Failing to Lock From Any Switch
SYMPTOM
ADDITIONAL ALL DOORS FAILING TO LOCK FROM ANY SWITCH
POSSIBLE CAUSES
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Fused B(+) circuit voltage too low at junction block
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Door lock relay control circuit from BCM fails
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Key - in ignition switch circuit to BCM defective
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Door lock relay does not operate
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Door lock relay coil resistance out of tolerance
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Door lock relay output shorted to ground
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Ignition switch defective
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Key - in ignition switch sense circuit shorted to ground
Additional Driver Door (w/RKE) Failing to Unlock From Any SW
SYMPTOM
ADDITIONAL DRIVER DOOR (W/RKE)FAILING TO UNLOCK FROM ANY SWITCH
POSSIBLE CAUSES
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Driver door unlock relay coil resistance out of tolerance
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Driver door unlock relay defective
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Driver door unlock relay output circuit shorted to ground
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Voltage too low at junction block fused B(+) circuit
Additional One Door Fails to Lock and Unlock From Any Switch
SYMPTOM
ADDITIONAL ONE DOOR FAILS TO LOCK AND UNLOCK FROM ANY SWITCH